then as she tried to defend what the obama administration knew about the attack and when they knew it. foreign affairs correspondent jill doherty has been following all of the developments for us. jill, how was her testimony received? >> well, it was pretty hot, i think you could say. zoraida, she's going to be back up on capitol hill again today in just about 4 1/2 hours. this time at the senate confirmation hearing for the man we expect is going to succeed her as secretary of state, that is senator john kerry. but that testimony on benghazi is still making waves. g. morning. >> reporter: if she was tired by more than 5 1/2 hours of testifying on the deadly attack on benghazi, the recently ailing secretary of state hillary clinton denied she was holding anything back from congress. >> that's not who i am. that's not what i do. >> reporter: there was no doubt how personally clinton took the death of the four americans in benghazi. >> i stood next to president obama as the marines carried those flag-draped caskets off the plane at andrews. i put my arms around the mothers and fathers,